Heat oil in a wok, add jeera and allow it to splutter, add hing, crushed coriander seeds, saunf, ginger, and green chillies, Sauté for a minute.
Add red chilli powder, coriander powder, black pepper powder, sugar, and gram flour, cook for a minute.
Add boiled potatoes, green peas, and salt to taste, mix well, and lightly mash the potatoes, stir and cook for 4-5 minutes.
Add kasuri methi, garam masala, and amchur powder, mix well.
Cool down the mixture completely, take a large spoonful of mixture and shape it into balls.